The uploader of this youtube video is 'fymasmachines' and his last comment is "The car belong to me Even Ibsen - and was originally imported by my grandfather in 1932 as the first MG car in Denmark.
It is a model J1 - and not as stated by Mr. 1loosetooth a D - a D has straight doors and a smaller engine than the J1....."

http://www.youtube.com/watch?v=_LEEt-u4pGI

They are talking in Swedish. The girl is referred to as Birgit and the car as Betty. The licensplate starts with M wich would mean that the car belongs to someone in Scania (Skåne) close to or in Malmö.

I don't know the movie nor the actors though I recognize the guy jumping in the car at the end. I don't think it would be to hard to figure out though.

guymaathuis, certainly it would be nice to add the J1 you pointed . I've got the captures of this car but the problem is, from what movie is the MG? We have not the title.

I saw in your list that you haven't got a film of a M.G. J1. Here a nice b/w sequence of this 4-seater M.G. in probably a Scandinavian language I do not speak:
http://www.youtube.com/watch?v=_LEEt-u4pGI